Home / 126,787.75-174,972.56-70,199.13

Finding the Fourth Proportional to 126,787.75, 174,972.56 and 70,199.13

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Solution

The fourth proportional to 126,787.75, 174,972.56 and 70,199.13 is: 96,877.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,787.75 : 174,972.56 = 70,199.13 : x
  2. Step 2: Convert to fraction form
    126,787.75/174,972.56 = 70,199.13/x
  3. Step 3: Cross multiply
    126,787.75x = 174,972.56 × 70,199.13
  4. Step 4: Simplify right side
    126,787.75x = 12,282,920,786.51
  5. Step 5: Solve for x
    x = 12,282,920,786.51/126,787.75
  6. Step 6: Final answer
    x = 96,877.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.